Re: [Discuss-gnuradio] Matplotlib and GNU Radio: Dynamic plot

[Marcus Müller]

Dear Ali,

don't convert data streams to Python variables. Just use the Qt instrumentation plots that directly come with GNU Radio, they are actually meant for this.

Matplotlib is *definitely* not what you want to use for live plots. Far too slow.

Best regards,

Marcus

On 09/20/2017 01:29 AM, Ali wrote:

Hi everyone,

I have a flowchart in which USRP's are running and after some blocks 2 variables are produced at the output.

As the inputs change, outputs change. I want to dynamically plot these two variables on x and y axis. I am willing to use matplotlib.

What do you suggest to plot these variables?

1- Write them to a .txt file and read by matplotlib at the same time,

2- Without writing the variable anywhere, directly use in matplotlib(somehow)

3- Write a python block and use in GRC directly

I don't know whether these can be applied or not. I am open to any ideas.

Regards,

Ali

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